Weather tracker: Temperatures plunge in Chile, Argentina and Uruguay

Cold spell expected to push northwards as storm system that has brought torrential rain in Bolivia and Brazil clears

A sharp cold spell affecting the southern half of South America is expected to intensify and push northwards in the coming days as a broad area of high pressure builds over the continent.

Over the weekend, large parts of Chile, Argentina and Uruguay had temperatures 10-15C below their seasonal averages. Night-time lows plunged well into the negative double digits. One weather station in Chile - located 69 metres above sea level at an airport near the city of Puerto Natales - recorded a minimum of -15.7C on Sunday evening, nearly 14C below the average June minimum.